The γ-ray beam system under implementation at the Extreme Light Infrastructure – Nuclear Physics facility in Romania will deliver brilliant γ-ray beams with energies up to 20 MeV. Several instruments for measuring the parameters of the γ-ray beam have already been implemented for use at ELI-NP. Here we investigate the use of a fast ionization chamber to continuously monitor the γ-ray beam intensity at ELI-NP by measuring fission fragments from the photofission of 238U. The fast ionization chamber has been successfully tested at the GELINA facility at EC JRC-Geel using neutrons.
GOOK Alf;
MATEI Catalin;
OBERSTEDT Stephan;
GEERTS Wouter;
PLOMPEN Arjan;
VIDALI Marzio;
OBERSTEDT Andreas;
2026-05-20
ELSEVIER B.V.
JRC146144
0168-9002 (online),
https://www.sciencedirect.com/science/article/pii/S0168900226003888,
https://publications.jrc.ec.europa.eu/repository/handle/JRC146144,
10.1016/j.nima.2026.171662 (online),
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